Welcome to Astronomy Class where we will study the Universe and Our Place in it!
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A Sense of scale and size..................


Our Universe is everything that there is. How is it organized?
Solar System Galaxy Group Super Cluster Universe

http://www.atlasoftheuniverse.com/milkyway.html

atropos.as.arizona.edu

http://www.atlasoftheuniverse.com/universe.html

http://www.atlasoftheuniverse.com/localgr.html

Copyright 2012. Magnifying the Universe by Number Sleuth.

Where do we get our information about these far away places and structures??

How do stars change over time? What makes them change? What is created by their change?